Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
How to Analyze the FBD of a Toy Car on the Underside of a Dome?
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Calculate magnetic dipole of other planets relative to the Earth
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Projectile Motion Problem: Kicking a soccer ball over a fence
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11
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Holonomic constraints and non-holonomic system
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681
Modelling a spring system with damping force and external forces
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782
Physics problem - Salmon jumping waterfall
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Need help with a question on potential difference
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A Level: Rearranging Equations into Y = mx + c
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14
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What Are the Key Equations in Shock Wave Analysis?
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Two masses and two pulleys problem
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Object A (in free fall) hits object B (ascending with constant velocity)
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Help with question on motion: Avoiding a rear-end collision
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Can a sudden blow truly change potential energy?
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Spring-mediated dipole in a magnetic field
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Falling hailstones hitting two car windscreens
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Pulling a block along a surface using a string inclined at an angle
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Is my work correct? (Two students running on a track)
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16
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Particle dynamics (mechanics): inclined plane, pulley, two blocks
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Newton's law problem: Pushing 2 stacked blocks on a horizontal table
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Very heavy particle collides with a very light particle
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Finding the position where the electric field is zero
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Find the partial diameter error of the surface area of cylinder
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Charge density in sphere that makes constant radial E-field inside
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Kinematic car overtake problem: Don’t know what to do...
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3K
Force exerted on block B by Block A when being pushed on a frictionless surface
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3
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1K
Question(s) Regarding Magnitude of Force (Window Washer Problem)
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3
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1K
Change in volume of sphere with change in temperature
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2K
Q： Why is it a reversible adiabatic process but not isentropic?
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Is the Photoelectric Effect Proof That Light Is a Particle?
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Tension in cable D is equivalent to the tension in cable B?
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Sequences of measurements in quantum mechanics
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Is the normal force at the top of a rollercoaster loop always directed upwards?
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Foucault Pendulum at the North Pole
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What is the Largest Quantum Number for Li3+ with a 60 Å Orbital Radius?
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947
Why is momentum equal to mass times velocity?
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Potential at a point inside a solid non conducting uniformly charged sphere
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Why is there are precession frequency here?
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886
How Does Centripetal Force Influence the Flight of a Rubber Band?
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Calculating relative velocity -- Jumping between two moving trains
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3
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Ohm's Law confusion -- How to handle an incandescent bulb?
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2K
Calculating Torque on this Square
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The velocity of a satellite rotating around the Earth
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3
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Doubt Calculating the Total Displacement for this Person Walking
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1K
Brightness of two lamps in a circuit having a changing magnetic field
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Which material has the greatest Young's Modulus?
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How many discs will slide off the board as it decelerates?
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Correct energy transformation about circuit with EMF, a resistor and a motor
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11
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Momentum in a Head-on collision
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2
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Contradictory Sources: Trying to understand waves on a rope being reflected at a boundary
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22
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2K
Assistance in cutting down unneeded information in physics report
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7
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919
2 masses connected by spring, one is pulled, how much does the spring stretch?
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3
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1K
Questions about speed and motion of a toy car on a conveyor belt
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11
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2K
Diffrence between resolving vector to components and find projections
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4
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1K
Two Equations for Average Velocity?
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Will The Cars Stop In Time? - Check My Work Please :)
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13
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1K
How can a transistor behave as a switch in the saturated region?
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5
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Electric field in a second dielectric given a 2 dielectric system
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Atwood at an incline accelerating down
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920
Coherent interference at a low photon flux rate
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Work done during a collision -- Change in Kinetic Energy & change in Momentum
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What is the rocket's initial acceleration?
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Working mechanism of straws and siphon
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763
Magnetic field in a solenoid with rectangular cross-sectional area
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25
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3K
Calculations involving different Dielectrics and Capacitors
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7
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2K
Why Does Torque Equilibrium Not Solve for Fcy in Static Equilibrium Problems?
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Special Relativity problem: Lorentz transformation and Reference Frames
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6
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Why can a fluid that satisfies the continuity equation cross streamlines?
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14
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E&M: Gauss' Law Surface Charge Density
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What force is needed to break a rope?
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Particle experiencing only an angular force, determine the r dot
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15
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A circuit involving two non-linear resistances (incandescent lamps)
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14
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2K
Q: Confusing Conservation of Mass Flow Rate and Conservation of Flow Rate
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19
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Why Was My Thread Closed on the Physics Forum?
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22
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Is My Approach to Calculating Relative Velocity Correct?
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20
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Difficulty in deciding when to apply work energy theorem
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Rydberg constant for hydrogen atom and Balmer series
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Work done by gravity on a car rolling down a hill
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4
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Basketball thrown straight up from the ground
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Q: The instantaneous gas discharge of the system and the C-E
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9
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871
Problem with when to use Force and Energy. What compresses spring/
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Question about Formulae for Motion in a Rotating Reference Frame
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Fraction of light reflected inside a diamond
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Estimating Error in Wavelength from Graphical Approach
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11
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What will the final velocity of the particles be?
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Faraday's law -- Confusion about which Area to use in calculations
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Switching reference frames between two intersecting lines
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Why is there no acceleration in the southern/y direction?
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10
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1K
Coaxial semi-infinite solenoid and superconducting disc
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I need feedback on MCQ test in IJSO style
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26
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Ratio of Excited Neon Atoms in 5s compared to 3p
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4
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923
What force is needed to push out this slab on the bottom of the stack?
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What is the Resultant Force from adding these two forces?
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Explain the phenomenon of decrement of angular momentum
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Verifying the acceleration of gravity in our lab (help with error please)
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2K
Consideration of number of significant figures in experimental quantities
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Converting Energy to Mass: Understanding the Relationship Between MeV and kg
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Verification of ideal gas law experiment
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Calculating components of a third-quadrant vector
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Standard angles for vectors (Mechanics)
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Calculate the torque that is produced by this force on a cylinder
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Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

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